I have no throttle control and no codes are coming up. Truck will start and idle no problem. Hit throttle and release really quick, it will rev up and return to idle. Hit throttle and hold, it will rev stumble and die quickly. Push throttle slowly it will want to start to rev but die out quickly. Operating hyd's to rev it up is hit or miss. Changed out the tank a few times, regulator was clogged/gummed and stuck so it was changed. No help there. Changed the pre-filter and housing, no help there. Injectors and distributor are about 1 month old maybe 2. All fluids are good. Any help is appreciated.
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It was the new distributor. The teeth on the rotor plate were garbage and throwing the timing off. Apparently it's a common problem. Thanks for your replies.
Do you have a pressure gauge you can put in the fuel line? It sounds like it is starving for fuel. We had a new truck that did this. It was the female LPG connector on the connection hose. The center pin was ground too short, it would let a small amount of fuel through the hose but not enough to run at high RPM.
Brand new with new regulator. Throttle plate and bore are clear as well.
Have you changed the fuel lockoff?
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